{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Isoliquiritigenin , a herbal ingredient with chalcone structure , has been speculated to be able to inhibit one of the most drug - metabolizing enzymes ( DMEs ) UDP - glucuronosyltransferase ( UGT ) ."}
{"Chemical": ["Isoliquiritigenin", "chalcone", "UDP"]}